21556942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{5077}}^1$

素因数の和:5283

約数の個数: 16

約数和(自身を含む): 35464752

約数和(自身を除く): 13907810

約数列:

[1, 2, 11, 22, 193, 386, 2123, 4246, 5077, 10154, 55847, 111694, 979861, 1959722, 10778471, 21556942]

約数ペア:

[(1, 21556942), (2, 10778471), (11, 1959722), (22, 979861), (193, 111694), (386, 55847), (2123, 10154), (4246, 5077)]